package Demo03;

public class keyboard implements iusb{
    @Override
    public void openDevice(){
        System.out.println("打开键盘！！！");
    }

    @Override
    public void closeDevice(){
        System.out.println("关闭键盘！！！");
    }

    public void input(){
        System.out.println("敲击键盘！");
    }

}


